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Sennheiser MD 409 U3 Facts: 113 Specifications & 50 Highlights

The Sennheiser MD 409 U3 microphone shines in more ways than one. Check its 113 specs & features — especially the ones musicians actually care about, like general information, dimensions & weight, audio performance & connectivity & interfaces.

73 Points
Sennheiser
Sennheiser
Sennheiser MD 409 U3
The Sennheiser MD 409 U3 has been discontinued️. Our community last shared an update on November 14, 2025.
Sennheiser MD 409 U3

Highlights 50

No extras. Just what matters.
73 Points

Why is Sennheiser MD 409 U3 better than other microphones ?

General Information

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Dimensions & Weight

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Audio Performance

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Connectivity & Interfaces

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Power & Battery

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Controls & Features

  • Has on/off switch with a difference of 58.0 points
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Build & Design

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Package & Accessories

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Certification & Compliance

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Advanced Features

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Comparisons 1

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Quick Take

The essentials that matter—nothing extra

A fast snapshot of the Sennheiser MD 409 U3, covering its standout specification and what you can expect right out of the box.

Sennheiser MD 409 U3
Sennheiser MD 409 U3

The Sennheiser MD 409 U3 is a vintage dynamic microphone renowned for its warm, rich tone and detailed sound. Its compact, flat-front design makes it a favorite for recording guitar amps, drums, and vocals.

Specifications & Facts 113

Specs measured. Drama avoided.

Specs, price, pros, cons, and how the Sennheiser MD 409 U3 holds up against similar microphones. All 113 data points — including general information, dimensions & weight, audio performance & connectivity & interfaces — are in.

General Information 17

Sennheiser MD 409 U3 Product Type

What is the product type?

31 Sennheiser MD 409 U3 0 Votes Dynamic

50 Microphones in this range Condenser

Sennheiser MD 409 U3
Sennheiser MD 409 U3

This is a rugged moving-coil microphone known for durability and natural tone. It works especially well for live instruments and vocal recording.

Defines the basic category of the microphone.

Sennheiser MD 409 U3 Model Name

What is the model name?

62 Sennheiser MD 409 U3 0 Votes MD 409 U3

66 Microphones in this range Super 55 Deluxe

Sennheiser MD 409 U3
Sennheiser MD 409 U3

The U3 variant is the studio-grade version of the MD 409, offering smooth presence and tight cardioid pickup. It's ideal for professional musicians and broadcasters.

The specific product identifier from the manufacturer.

Sennheiser MD 409 U3 Year of Release

What year was it released?

0 Sennheiser MD 409 U3 0 Votes 1986

63 Microphones in this range 2023

Sennheiser MD 409 U3
Sennheiser MD 409 U3

Released in the mid-1980s, it quickly became a favorite in studios and on stage. It carries a classic vintage character valued by collectors and professionals alike.

Indicates when the microphone was launched.

Sennheiser MD 409 U3 Country of Origin

What is the country of origin?

81 Sennheiser MD 409 U3 0 Votes Germany

70 Microphones in this range China

Sennheiser MD 409 U3
Sennheiser MD 409 U3

Made in Germany, showcasing Sennheiser’s precision engineering. Expect high-quality build and long-lasting reliability.

Manufacturing or design origin.

Sennheiser MD 409 U3 Intended Use

What is the intended use?

59 Sennheiser MD 409 U3 0 Votes Live, Broadcast, Instrument

68 Microphones in this range Studio, Live, Podcast, Broadcast, Instrument, Streaming

Sennheiser MD 409 U3
Sennheiser MD 409 U3

Designed for stage, broadcast, and instrument capture, especially electric guitars and vocals. It performs well in both studio and live environments.

Describes the primary application area.

Sennheiser MD 409 U3 Compatibility

Which devices or platforms are compatible?

61 Sennheiser MD 409 U3 0 Votes PC, Audio Interface

68 Microphones in this range Mixer, Audio Interface, PA System

Sennheiser MD 409 U3
Sennheiser MD 409 U3

Works seamlessly with any XLR-equipped mixer or audio interface. You can plug it in and start recording without extra adapters.

Lists supported platforms and devices.

Dimensions & Weight 5

Sennheiser MD 409 U3 Width

What is the width?

2.32 inch 0 Votes
Sennheiser MD 409 U3
2.96 inch (Average)

Sennheiser MD 409 U3
Sennheiser MD 409 U3

Measures about 5.9 cm wide, compact enough for most clip mounts. Fits comfortably in hand or on small stands.

The microphone’s overall width.

Sennheiser MD 409 U3 Depth

What is the depth?

1.3 inch 0 Votes
Sennheiser MD 409 U3
2.7 inch (Average)

Sennheiser MD 409 U3
Sennheiser MD 409 U3

Around 3.3 cm deep, giving it a sleek, low-profile shape. Easy to handle during long performances.

The microphone’s overall depth.

Sennheiser MD 409 U3 Height

What is the height?

5.3 inch 0 Votes
Sennheiser MD 409 U3
5.24 inch (Average)

Sennheiser MD 409 U3
Sennheiser MD 409 U3

About 13.5 cm tall, roughly the size of a medium smartphone. Fits easily under mic clips and studio mounts.

The microphone’s overall height.

Sennheiser MD 409 U3 Weight

What is the weight?

0.4 lbs 0 Votes
Sennheiser MD 409 U3
0.64 lbs (Average)

Sennheiser MD 409 U3
Sennheiser MD 409 U3

Weighs approximately 0.18 kg, making it light enough to handle without fatigue. Minimal load on stands or clamps.

The microphone’s physical weight.

Sennheiser MD 409 U3 Mounting Thread Size

What is the mounting thread size?

91 Sennheiser MD 409 U3 0 Votes 5/8"

83 Microphones in this range 5/8"

Sennheiser MD 409 U3
Sennheiser MD 409 U3

Standard U.S. microphone stand thread. Compatible with most professional mic stands and adapters.

The thread size for mounting compatibility.

Audio Performance 10

Sennheiser MD 409 U3 Frequency Response (Min)

What is the minimum frequency response?

50 Hz 0 Votes
Sennheiser MD 409 U3
41.78 Hz (Average)

Sennheiser MD 409 U3
Sennheiser MD 409 U3

Captures deep low-end tones without excessive rumble. Great for vocals and electric guitar cabinets.

The lowest frequency the mic can capture.

Sennheiser MD 409 U3 Frequency Response (Max)

What is the maximum frequency response?

15,000 Hz 0 Votes
Sennheiser MD 409 U3
17,696.24 Hz (Average)

Sennheiser MD 409 U3
Sennheiser MD 409 U3

Extends to 15 kHz, keeping clarity and presence in vocals and instruments. Maintains brightness without harshness.

The highest frequency the mic can capture.

Sennheiser MD 409 U3 Directionality

What is the directionality?

31 Sennheiser MD 409 U3 0 Votes Unidirectional

55 Microphones in this range Unidirectional

Sennheiser MD 409 U3
Sennheiser MD 409 U3

Picks up sound mainly from one direction. Reduces unwanted room or crowd noise.

General pickup orientation.

Sennheiser MD 409 U3 Output Impedance

What is the output impedance?

200 ohm 0 Votes
Sennheiser MD 409 U3
408.02 ohm (Average)

Sennheiser MD 409 U3
Sennheiser MD 409 U3

Designed for professional preamps and mixers. Provides optimal matching for balanced audio setups.

Electrical resistance of the microphone’s output.

Sennheiser MD 409 U3 Stereo/Mono Mode

What mode is supported?

21 Sennheiser MD 409 U3 0 Votes Mono

31 Microphones in this range Mono

Sennheiser MD 409 U3
Sennheiser MD 409 U3

Single-channel output ensures consistent recordings. Ideal for live or studio sessions.

Determines recording mode.

Sennheiser MD 409 U3 Acoustic Principle

What is the acoustic principle?

91 Sennheiser MD 409 U3 0 Votes Pressure Gradient

81 Microphones in this range Pressure Gradient

Sennheiser MD 409 U3
Sennheiser MD 409 U3

Produces natural tonal depth with smooth off-axis response. Excellent for close-miked sources.

The underlying sound capture mechanism.

Connectivity & Interfaces 10

Sennheiser MD 409 U3 Connection Interface

What is the connection interface?

31 Sennheiser MD 409 U3 0 Votes XLR

46 Microphones in this range XLR

Sennheiser MD 409 U3
Sennheiser MD 409 U3

Balanced 3-pin XLR provides noise-free signal transfer. Widely compatible with professional audio gear.

Defines the main interface for connectivity.

Sennheiser MD 409 U3 Cable Detachable

Is the cable detachable?

No 0 Votes Sennheiser MD 409 U3

Yes Microphones in this range

Sennheiser MD 409 U3
Sennheiser MD 409 U3

Fixed cable ensures durability and reliability. Reduces risk of connection issues during live use.

Whether the cable can be detached or replaced.

Sennheiser MD 409 U3 Audio Output Options

What are the audio output options?

66 Sennheiser MD 409 U3 0 Votes Balanced

61 Microphones in this range Analog, Balanced

Sennheiser MD 409 U3
Sennheiser MD 409 U3

Balanced output minimizes interference for long cable runs. Maintains clean, professional sound.

Lists output signal formats available.

Sennheiser MD 409 U3 Phantom Power Support

Does it support phantom power?

No 0 Votes Sennheiser MD 409 U3

Yes Microphones in this range

Sennheiser MD 409 U3
Sennheiser MD 409 U3

Does not require phantom power, making it simple to plug in. Safe for any XLR-equipped preamp.

Whether the mic supports phantom power.

Sennheiser MD 409 U3 Balanced/Unbalanced Output

What is the output type?

91 Sennheiser MD 409 U3 0 Votes Balanced

68 Microphones in this range Balanced

Sennheiser MD 409 U3
Sennheiser MD 409 U3

Offers clear, noise-free transmission. Works well in professional audio environments.

Defines the type of electrical signal output.

Sennheiser MD 409 U3 XLR Pin Configuration

What is the XLR pin configuration?

61 Sennheiser MD 409 U3 0 Votes Standard

67 Microphones in this range Standard

Sennheiser MD 409 U3
Sennheiser MD 409 U3

Follows standard wiring (1-ground, 2-hot, 3-cold). Compatible with all common mixers and interfaces.

Specifies XLR wiring configuration.

Power & Battery 5

Sennheiser MD 409 U3 Power Source

What is the power source?

51 Sennheiser MD 409 U3 0 Votes Phantom

43 Microphones in this range Phantom

Sennheiser MD 409 U3
Sennheiser MD 409 U3

While dynamic, it is compatible with phantom-powered systems without issues. No external power is required.

Defines how the microphone is powered.

Sennheiser MD 409 U3 Auto Power-Off

Does it have auto power-off?

No 0 Votes Sennheiser MD 409 U3

Yes Microphones in this range

Whether the microphone shuts down automatically when idle.

Sennheiser MD 409 U3 Replaceable Battery Support

Does it support replaceable batteries?

No 0 Votes Sennheiser MD 409 U3

Yes Microphones in this range

Indicates if batteries can be swapped.

Sennheiser MD 409 U3 External Power Supply Compatibility

Is it compatible with an external power supply?

No 0 Votes Sennheiser MD 409 U3

Yes Microphones in this range

Can the mic run on external AC/DC supply.

Sennheiser MD 409 U3 Power Indicator Light

Does it have a power indicator light?

No 0 Votes Sennheiser MD 409 U3

Yes Microphones in this range

Whether a light shows power/battery status.

Controls & Features 17

Sennheiser MD 409 U3 On/Off Switch

Does it include an on/off switch?

Yes 0 Votes Sennheiser MD 409 U3

Yes Microphones in this range

Sennheiser MD 409 U3
Sennheiser MD 409 U3

Allows easy muting during live use. Convenient for quick stage adjustments.

Whether the microphone includes a physical on/off switch.

Sennheiser MD 409 U3 Mute Function

Does it have a mute function?

No 0 Votes Sennheiser MD 409 U3

Yes Microphones in this range

Ability to mute audio directly on the mic.

Sennheiser MD 409 U3 Gain Control

Does it have gain control?

No 0 Votes Sennheiser MD 409 U3

Yes Microphones in this range

Ability to adjust input gain directly.

Sennheiser MD 409 U3 Headphone Monitoring

Does it support headphone monitoring?

No 0 Votes Sennheiser MD 409 U3

Yes Microphones in this range

Direct monitoring via headphone output.

Sennheiser MD 409 U3 Monitoring Mix Control

Does it have monitoring mix control?

No 0 Votes Sennheiser MD 409 U3

Yes Microphones in this range

Lets user adjust mic vs playback audio mix.

Sennheiser MD 409 U3 Touch/Motion Controls

Does it support touch/motion controls?

No 0 Votes Sennheiser MD 409 U3

Yes Microphones in this range

Allows interaction via touch gestures or motion.

Build & Design 17

Sennheiser MD 409 U3 Body Material

What is the body material?

51 Sennheiser MD 409 U3 0 Votes Metal

48 Microphones in this range Metal

Sennheiser MD 409 U3
Sennheiser MD 409 U3

Durable metal construction resists dents and shocks. Ideal for touring and live performance.

The main structural material of the microphone body.

Sennheiser MD 409 U3 Finish/Coating

What finish/coating does it have?

85 Sennheiser MD 409 U3 0 Votes Matte

23 Microphones in this range Matte

Sennheiser MD 409 U3
Sennheiser MD 409 U3

Reduces glare under lights and fingerprints. Keeps a professional look over years of use.

Exterior treatment or surface finish.

Sennheiser MD 409 U3 Adjustable Arm/Stand

Does it have an adjustable arm/stand?

Yes 0 Votes Sennheiser MD 409 U3

Yes Microphones in this range

Sennheiser MD 409 U3
Sennheiser MD 409 U3

Flexible positioning ensures optimal sound capture. Works well for instruments or vocals.

Whether the arm/stand can be adjusted.

Sennheiser MD 409 U3 Internal Dampening Material

What is the internal dampening material?

80 Sennheiser MD 409 U3 0 Votes Foam

16 Microphones in this range Foam

Sennheiser MD 409 U3
Sennheiser MD 409 U3

Absorbs internal reflections for cleaner recordings. Reduces harshness in close-miking.

The material used internally to reduce noise/vibration.

Sennheiser MD 409 U3 Corrosion Resistance

Is it corrosion resistant?

Yes 0 Votes Sennheiser MD 409 U3

Yes Microphones in this range

Sennheiser MD 409 U3
Sennheiser MD 409 U3

Resists moisture and wear over time. Ideal for stage, studio, or touring use.

Indicates if materials resist corrosion.

Sennheiser MD 409 U3 Shock Mount

Is a shock mount included?

Yes 0 Votes Sennheiser MD 409 U3

Yes Microphones in this range

Whether a shock mount is included to reduce vibrations.

Package & Accessories 12

Sennheiser MD 409 U3 Adapters

Are adapters included?

Yes 0 Votes Sennheiser MD 409 U3

Yes Microphones in this range

Sennheiser MD 409 U3
Sennheiser MD 409 U3

Includes standard stand adapters for flexibility. Fits most mic stands out of the box.

States if adapter(s) are included (e.g., XLR to 3.5mm).

Sennheiser MD 409 U3 Spare Parts Availability

Are spare parts available?

Yes 0 Votes Sennheiser MD 409 U3

Yes Microphones in this range

Sennheiser MD 409 U3
Sennheiser MD 409 U3

Replacement components remain available through Sennheiser service. Easy to maintain over years of use.

Whether the manufacturer provides replacement parts.

Sennheiser MD 409 U3 Warranty Card

Is a warranty card included?

Yes 0 Votes Sennheiser MD 409 U3

Yes Microphones in this range

Sennheiser MD 409 U3
Sennheiser MD 409 U3

3-year warranty ensures peace of mind for defects or repairs. Reflects Sennheiser’s confidence in build quality.

Whether a warranty card is included.

Sennheiser MD 409 U3 Stand/Tripod

Is a stand/tripod included?

Yes 0 Votes Sennheiser MD 409 U3

Yes Microphones in this range

Whether a stand or tripod is included in the box.

Sennheiser MD 409 U3 Cables

Are cables included?

Yes 0 Votes Sennheiser MD 409 U3

Yes Microphones in this range

Indicates if connecting cables are provided.

Sennheiser MD 409 U3 Carrying Case

Is there a carrying case included?

Yes 0 Votes Sennheiser MD 409 U3

Yes Microphones in this range

Whether a protective carrying case is part of the package.

Certification & Compliance 6

Sennheiser MD 409 U3 Safety Compliance

Is it safety compliant?

Yes 0 Votes Sennheiser MD 409 U3

Yes Microphones in this range

Sennheiser MD 409 U3
Sennheiser MD 409 U3

Meets standard electrical and mechanical safety requirements. Safe to use in studios and live settings.

Indicates adherence to safety regulations.

Sennheiser MD 409 U3 FCC/CE Approval

Is it FCC/CE approved?

Yes 0 Votes Sennheiser MD 409 U3

Yes Microphones in this range

Sennheiser MD 409 U3
Sennheiser MD 409 U3

Certified for electrical safety and electromagnetic interference. Suitable for global markets.

Explicit FCC/CE compliance approval.

Sennheiser MD 409 U3 Professional Broadcast Certification

Is it broadcast certified?

Yes 0 Votes Sennheiser MD 409 U3

Yes Microphones in this range

Sennheiser MD 409 U3
Sennheiser MD 409 U3

Approved for studio and broadcast use worldwide. Trusted by radio and TV professionals.

Indicates if the mic meets pro broadcast standards.

Sennheiser MD 409 U3 Warranty

What is the warranty period?

3 years 0 Votes
Sennheiser MD 409 U3
1.53 years (Average)

Duration of manufacturer warranty coverage.

Sennheiser MD 409 U3 Environmental Compliance

Is it environmentally compliant?

Yes 0 Votes Sennheiser MD 409 U3

Yes Microphones in this range

Compliance with eco/environmental regulations.

Sennheiser MD 409 U3 RoHS Compliance

Is it RoHS compliant?

Yes 0 Votes Sennheiser MD 409 U3

Yes Microphones in this range

Restriction of Hazardous Substances directive compliance.

Advanced Features 14

Sennheiser MD 409 U3 Multi-Pattern Switching

Does it support multi-pattern switching?

Yes 0 Votes Sennheiser MD 409 U3

Yes Microphones in this range

Ability to switch between multiple pickup patterns.

Sennheiser MD 409 U3 DSP Processing

Does it include DSP processing?

Yes 0 Votes Sennheiser MD 409 U3

Yes Microphones in this range

Built-in digital signal processing for sound shaping.

Sennheiser MD 409 U3 AI Noise Cancellation

Does it feature AI noise cancellation?

Yes 0 Votes Sennheiser MD 409 U3

Yes Microphones in this range

AI-powered suppression of background noise.

Sennheiser MD 409 U3 Beamforming Technology

Does it support beamforming?

Yes 0 Votes Sennheiser MD 409 U3

Yes Microphones in this range

Uses mic arrays to focus on sound sources.

Sennheiser MD 409 U3 Voice Tracking

Does it include voice tracking?

Yes 0 Votes Sennheiser MD 409 U3

Yes Microphones in this range

Automatically follows speaker’s voice.

Sennheiser MD 409 U3 Recording Profiles

Does it have recording profiles?

Yes 0 Votes Sennheiser MD 409 U3

Yes Microphones in this range

Predefined sound settings for specific uses.

Surveys

Because hot takes deserve votes.

Sennheiser MD 409 U3 Sound Quality

How would you rate the sound quality of this microphone?

Crisp and professional 0 Votes
Good and clear 0 Votes
Average clarity 0 Votes
Distorted and unclear 0 Votes

Sennheiser MD 409 U3 Noise Handling

How well does this microphone handle background noise?

Blocks out most noise 0 Votes
Handles noise fairly well 0 Votes
Reduces some noise 0 Votes
Picks up everything 0 Votes

Sennheiser MD 409 U3 Battery Life

How long does the battery last on this microphone?

Excellent — Over 20 hours 0 Votes
Long lasting — 10 to 20 hours 0 Votes
Decent — 5 to 10 hours 0 Votes
Short — 2 to 5 hours 0 Votes
Very short — Under 2 hours 0 Votes

Sennheiser MD 409 U3 Durability

How durable is this microphone based on build and lifespan?

Highly durable — Over 4 years 0 Votes
Solid — 2 to 4 years 0 Votes
Average — 1 to 2 years 0 Votes
Very fragile — Less than 1 year 0 Votes

Sennheiser MD 409 U3 Weight

How heavy is this microphone?

Ultra-light — Under 150 grams 0 Votes
Lightweight — 150 to 300 grams 0 Votes
Medium — 300 to 500 grams 0 Votes
Heavy — 500 to 800 grams 0 Votes
Very heavy — Over 800 grams 0 Votes

Sennheiser MD 409 U3 Design Appeal

How attractive is the design of this microphone?

Plain and boring 0 Votes
Somewhat okay 0 Votes
Nice looking 0 Votes
Stylish and modern 0 Votes

Sennheiser MD 409 U3 Pricing

How do you feel about the price of this microphone?

Great value for money 0 Votes
Pretty good price 0 Votes
Fair deal 0 Votes
Kinda pricey 0 Votes
Crazy expensive 0 Votes

Sennheiser MD 409 U3 Sensitivity

How sensitive is this microphone to capturing sound?

Very sensitive — Detects quiet sounds clearly 0 Votes
Sensitive — Captures a wide sound range 0 Votes
Moderate — Picks up normal voice levels well 0 Votes
Low — Needs to be close to sound source 0 Votes
Very low — Struggles to capture soft voices 0 Votes

Sennheiser MD 409 U3 Frequency Response Range

What do you think about the frequency response range of this microphone?

Wide range — 20 Hz to 20 kHz 0 Votes
Good range — 30 Hz to 18 kHz 0 Votes
Decent range — 40 Hz to 16 kHz 0 Votes
Limited range — 50 Hz to 14 kHz 0 Votes
Narrow range — Above 60 Hz only 0 Votes

Sennheiser MD 409 U3 Connectivity

How stable and reliable is the connection of this microphone?

Excellent — Always stable, no dropouts 0 Votes
Good — Works smoothly with rare issues 0 Votes
Decent — Occasional minor disconnections 0 Votes
Weak — Disconnects sometimes 0 Votes
Poor — Frequently loses connection 0 Votes

Guides 1

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Files 1

Sennheiser MD 409 U3 Guide

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